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Schach [20]
3 years ago
5

What is the cosine of angle D​

Mathematics
1 answer:
blagie [28]3 years ago
3 0

Answer:

\frac{28}{45}

Step-by-step explanation:

Please see the attached picture for the full solution.

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Determine which postulate or theorem can be used to prove that<br> APQS= ARQS.
statuscvo [17]

Answer:

sss

Step-by-step explanation:

as you seen your puestion it says they are similar by side if you ask me by what because your given is side

3 0
3 years ago
-11(-19-3f) use distributive property to simplify​
ValentinkaMS [17]

Answer:

209-33f

Step-by-step explanation:

4 0
3 years ago
Which best describes the range of the function f(x) = 2/3(6)x after it has been reflected over the x-axis?
AlladinOne [14]
The function is f(x) = [2/3] [6^x]


It is an exponential function whose range is all the positive values. This is, for any value of x that exponential function yields a value that is greater than 0. The graph never crosses the x-axis.


When you reflect the function over the x-axis, you flip the graph over x, and you can see that the range of the new fucntion iis all the negative values, this is all the real numbers less than zero.


Answer: all the real numbers less than zero.
8 0
4 years ago
the perimeter of a triangle is 51cm. The lengths of its side are x cm, x+2 cm, and x+4 cm. what is the length in cm of the longe
Neko [114]

Answer:

19 cm

Step-by-step explanation:

The perimeter is 51cm

The side lengths are x, x+2, and x+4

To find perimeter, we add all the side lengths.

Therefore, the equation we would use is the following:

x + x+2 + x+ 4 = 51

Then we solve for x

3x + 6= 51

Subtract 6 on both sides

3x = 45

divide by 3

x=15

Now, x is the smallest side, and we are trying to find the longest side,

So we plug in x for the longest length:

(15) + 4= 19

19cm is the longest side of the triangle.

3 0
3 years ago
Josh goes to the store to buy groceries. He sees there is a sale for 4 apples for $1.80. What is the unit price or the cost of o
Vedmedyk [2.9K]
Im pretty sure you just divide.
So 4<span>÷1.80=0.45
So its  $0.45 cents per apple</span>
5 0
3 years ago
Read 2 more answers
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